M1.6 Depth: 8.6 km

M1.6 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-06-18 05:04:01 UTC Local time:

About this earthquake

A magnitude M1.6 earthquake was recorded near Unorganized Borough, Alaska (United States) on June 18, 2026 at 05:04 UTC. The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 177 earthquakes, the strongest at M4.6.

Map

Depth profile

Depth profile Depth: 8.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.6 km
Shallow
8.6 km
8.6 km — shallower than the regional average (15.9 km)
Regional average: 15.9 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Churchill
    Distance: 126 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Wrangell
    Distance: 142 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Fort Selkirk
    Distance: 411 km ·Volcanic field ·Elevation: 1'239 m ·Canada
  • Buzzard Creek
    Distance: 443 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Alligator Lake
    Distance: 453 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Spurr
    Distance: 465 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Historic earthquake map · United States

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

View earthquake KPIs, strongest and latest events, and averages for this country.

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